NASA Osiris-Rex uzay arac\u0131n\u0131n Bennu g\u00f6kta\u015f\u0131na ba\u015far\u0131l\u0131 \u015fekilde temas etti\u011fini a\u00e7\u0131klad\u0131.<\/p>\n\n\n\n
Uzay arac\u0131n\u0131n asteroit y\u00fczeyine birka\u00e7 saniye s\u00fcrecek bir dokunu\u015f ger\u00e7ekle\u015ftirip tekrar y\u00fckselerek eski konumuna gelmesi planlan\u0131yordu. Bu temas esnas\u0131nda uzay arac\u0131ndan \u00e7\u0131kan bir kol yard\u0131m\u0131yla 60 gram kadar bir numune toplanmas\u0131 ama\u00e7lan\u0131yordu.<\/p>\n\n\n\n
D\u00fcnyadan 330 milyon kilometre uzakl\u0131kta bulunan Bennu g\u00f6kta\u015f\u0131na ba\u015far\u0131yla ini\u015f ger\u00e7ekle\u015fti\u011fini uzay arac\u0131 21 Ekim 2020 tarihinde NASA merkezine bildirdi.<\/p>\n\n\n\n
Lockheed Martin \u015firketi taraf\u0131ndan \u00fcretilen Osiris-Rex uzay arac\u0131 8 Eyl\u00fcl 2016 y\u0131l\u0131nda uzaya f\u0131rlat\u0131lm\u0131\u015ft\u0131. 3 Aral\u0131k 2018 tarihinde ara\u00e7 Bennu g\u00f6kta\u015f\u0131na ula\u015fm\u0131\u015ft\u0131. O tarihten beri g\u00f6kta\u015f\u0131n\u0131n y\u00fczey haritas\u0131n\u0131 \u00e7\u0131karan ara\u00e7 inmek i\u00e7in en uygun alan\u0131 belirlemeye \u00e7al\u0131\u015f\u0131yordu. Arac\u0131n t\u00fcm ini\u015f ve \u00f6rnek toplama i\u015flemlerini otomatik olarak ger\u00e7ekle\u015ftirdi\u011fi a\u00e7\u0131kland\u0131.<\/p>\n\n\n\n
Arac\u0131n ini\u015f i\u015fleminin 4 bu\u00e7uk saat s\u00fcrd\u00fc\u011f\u00fc belirtildi. NASA tarihinde ilk kez bir g\u00f6kta\u015f\u0131na uzay arac\u0131 indirilmi\u015f oldu.<\/p>\n\n\n\n
Al\u0131nan \u00f6rneklerin 2023 y\u0131l\u0131nda D\u00fcnya\u2019ya ula\u015fmas\u0131 planlan\u0131yor.<\/p>\n\n\n\n
G\u00fcne\u015f ve gezegenlerin olu\u015fumu hakk\u0131nda bilgilerin ortaya \u00e7\u0131kabilece\u011fi belirtiliyor. Ayr\u0131ca g\u00f6kta\u015flar\u0131n\u0131n gezegenlere \u00e7arparak ya\u015fam\u0131 ba\u015flatt\u0131\u011f\u0131 teorilerine dair kan\u0131tlar\u0131n ortaya \u00e7\u0131kabilece\u011fi belirtiliyor.<\/p>\n\n\n\n
Ayr\u0131ca g\u00f6revin g\u00f6kta\u015flar\u0131n\u0131n uzay ara\u00e7lar\u0131 indirilip y\u00f6nlerinin de\u011fi\u015ftirilmesi projesi kapsam\u0131nda bir deneme giri\u015fimi oldu\u011fu a\u00e7\u0131kland\u0131. D\u00fcnya\u2019ya \u00e7arpmas\u0131 olas\u0131l\u0131\u011f\u0131na kar\u015f\u0131 uzay ara\u00e7lar\u0131 ile g\u00f6kta\u015flar\u0131n\u0131n y\u00f6n\u00fcn\u00fcn de\u011fi\u015ftirilmesi projesi daha \u00f6nce NASA taraf\u0131ndan a\u00e7\u0131klanm\u0131\u015ft\u0131.<\/p>\n\n\n\n
Bennu g\u00f6kta\u015f\u0131n\u0131n 2175 ile 2199 y\u0131llar\u0131 aras\u0131nda 2000 de 1 olas\u0131l\u0131kla D\u00fcnya\u2019ya \u00e7arpmas\u0131 ihtimali bulunuyor. Tespit edilen g\u00f6kta\u015flar\u0131 i\u00e7inde \u00e7arpma olas\u0131l\u0131\u011f\u0131 en y\u00fcksek g\u00f6kta\u015flar\u0131ndan birisinin Bennu oldu\u011fu daha \u00f6nce a\u00e7\u0131klanm\u0131\u015ft\u0131.<\/p>\n\n\n\n
Yeterli \u00f6rnek al\u0131namamas\u0131 durumunda arac\u0131n yeni bir deneme yapaca\u011f\u0131 a\u00e7\u0131klanm\u0131\u015ft\u0131. Fakat daha sonra yap\u0131lan a\u00e7\u0131klamada arac\u0131n numune kolunun planlanandan fazla derine dald\u0131\u011f\u0131 ve 60 gramdan \u00e7ok daha fazla numune toplad\u0131\u011f\u0131 a\u00e7\u0131kland\u0131. Bu fazla numune arac\u0131n saklama b\u00f6l\u00fcm\u00fcnde hasara neden oldu\u011fu ve toplanan par\u00e7alar\u0131n uzaya s\u0131zd\u0131\u011f\u0131 a\u00e7\u0131kland\u0131. Bu nedenle arac\u0131n t\u00fcm numuneyi kaybetmeden en k\u0131sa s\u00fcrede D\u00fcnya\u2019ya geri d\u00f6nmek i\u00e7in yola \u00e7\u0131kar\u0131ld\u0131\u011f\u0131 belirtildi.<\/p>\n\n\n\n
Daha \u00f6nce de Japon uzay arac\u0131 Hayabusa-2 D\u00fcnya\u2019dan 280 milyon kilometre uzakl\u0131kta bulunan Ryugu g\u00f6kta\u015f\u0131na 22 \u015eubat 2019 tarihinde inip \u00f6rnek almay\u0131 ba\u015farm\u0131\u015ft\u0131. Arac\u0131n g\u00f6kta\u015f\u0131ndan ald\u0131\u011f\u0131 \u00f6rneklerin bu y\u0131l\u0131n sonunda D\u00fcnya\u2019ya ula\u015fmas\u0131 bekleniyor.<\/p>\n\n\n\n
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